sniff out allergens是什么意思

sniff out allergens是什么意思 x-sniff x-sniff sniff 意思 sniff是什么意思 什么是SNIFF socks sniff 是什么意思 sniff怎么变过去式 Major allergens翻译成汉语什么意思 The underlined phrasesniff outprobably means____something by nose.请问以下哪题正确1.smell 2.discover 3.feel 4.freeze sniff怎么变过去式急 In me the tiger sniff the 英语翻译Meet you downstairs in the bar and heardYour rolled up sleeves and your skull t-shirtYou say why did you do it with him today?And sniff me out like I was tanquerayCause you're my fella,my guyHand me your stella and flyBy the time I'm out in me the lion sniff the rose 意思? 英语：sniff和smell有什么区别?sniff和smell意思和用法上有什么区别?sniffing又是什么意思? put out come out go out 是啥意思? 是look out 还是 look out of out是介词么 OUT 是 谁知道